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Finding the Third Proportional to 61,705,567.13 and 128,194,072.88

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Solution

The third proportional to 61,705,567.13 and 128,194,072.88 is: 266,324,759.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,705,567.13 : 128,194,072.88 = 128,194,072.88 : x
  2. Step 2: Convert to fraction form
    61,705,567.13/128,194,072.88 = 128,194,072.88/x
  3. Step 3: Cross multiply
    61,705,567.13x = 128,194,072.88 × 128,194,072.88
  4. Step 4: Simplify right side
    61,705,567.13x = 16,433,720,320,280,810
  5. Step 5: Solve for x
    x = 16,433,720,320,280,810/61,705,567.13
  6. Step 6: Final answer
    x = 266,324,759.43

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Why These Related Problems?

These problems maintain the same ratio (2.08) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.